Mercer, ND Weather & Growing Conditions
Today
66°F
Cloudy
Cloudy, with a high near 66. Northeast wind 5 to 14 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Cloudy | 5 to 14 mph NE | 12% |
| Tonight | 47°F | Chance Rain Showers then Cloudy | 14 mph NE | 25% |
| Sunday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 13 mph E | 16% |
| Sunday Night | 44°F | Mostly Cloudy | 5 to 9 mph E | 11% |
| Monday | 70°F | Mostly Sunny | 5 to 12 mph SE | 2% |
| Monday Night | 45°F | Mostly Clear | 10 mph SE | 1% |
| Tuesday | 72°F | Mostly Sunny | 10 to 21 mph S | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 17 mph S | 5% |
| Wednesday | 75°F | Partly Sunny | 20 mph S | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 10 to 15 mph SE | 14% |
| Thursday | 77°F | Mostly Sunny | 9 to 13 mph SE | 12% |
| Thursday Night | 53°F | Partly Cloudy | 12 mph S | 12% |
| Friday | 78°F | Partly Sunny | 12 to 20 mph S | 8% |
| Friday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 16 to 20 mph S | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mercer, ND
Last spring frost
May 14
First fall frost
Sep 26
Growing season
136 days
Hardiness zone
4a
Explore more for Mercer, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Turtle Lake, Nd (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.